.feeback_main{
    padding: 20px;
}
.feeback_main textarea{
    display: block;
    width: calc(100% - 20px);
    height: 250px;
    resize: none;
    border-radius: 5px;
    background: #fff;
    padding: 10px;
    outline: none;
}
.feeback_main button{
    width: 100%;
    border-radius: 5px;
    background: royalblue;
    color: #fff;
    margin-top: 30px;
    outline: none;
    border: none;
    height: 40px;
    font-size: 20px;
}